:root {
      --gold:        #c9a84c;
      --gold-light:  #e8c97a;
      --gold-dark:   #8a6820;
      --gold-faint:  rgba(201,168,76,0.08);
      --ink:         #110e06;
      --ink-mid:     #1e180a;
      --ink-soft:    #3d2e10;
      --paper:       #fdf8ef;
      --paper-dark:  #f0e8d5;
      --red:         #8b1a1a;
      --text-body:   #3d2e10;
      --text-muted:  #7a6040;
      --border:      rgba(201,168,76,0.25);
      --border-mid:  rgba(201,168,76,0.4);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      font-family: 'Noto Serif SC', 'SimSun', serif;
      background: var(--paper);
      color: var(--text-body);
      line-height: 1.9;
      overflow-x: hidden;
    }

    /* ─── 导航 ─── */
    .nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 200;
      background: rgba(17,14,6,0.96);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--gold-dark);
      height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 6%;
    }

    .nav-logo {
      color: var(--gold);
      font-size: 1.1rem;
      font-weight: 900;
      letter-spacing: 0.25em;
      text-decoration: none;
    }

    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
    }

    .nav-links a {
      color: rgba(255,255,255,0.55);
      font-size: 0.82rem;
      letter-spacing: 0.1em;
      text-decoration: none;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--gold); }

    .nav-cta {
      background: var(--gold);
      color: var(--ink) !important;
      padding: 7px 20px;
      font-weight: 700 !important;
      letter-spacing: 0.08em !important;
      border-radius: 1px;
      color: var(--ink);
    }
    .nav-cta:hover { background: var(--gold-light) !important; color: var(--ink) !important; }

    @media (max-width: 680px) {
      .nav-links { display: none; }
    }

    /* ─── 英雄区 ─── */
    .hero {
      min-height: 100vh;
      background: var(--ink);
      background-image:
        radial-gradient(ellipse 70% 60% at 15% 40%, rgba(201,168,76,0.07) 0%, transparent 70%),
        radial-gradient(ellipse 50% 50% at 85% 15%, rgba(139,26,26,0.10) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 60% 80%, rgba(201,168,76,0.04) 0%, transparent 60%);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 100px 6% 80px;
      position: relative;
      overflow: hidden;
    }

    /* 装饰线 */
    .hero::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--gold-dark), var(--gold), var(--gold-dark), transparent);
    }

    .hero-eyebrow {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }

    .eyebrow-line {
      width: 40px;
      height: 1px;
      background: var(--gold-dark);
    }

    .eyebrow-text {
      font-size: 0.72rem;
      letter-spacing: 0.3em;
      color: var(--gold);
      text-transform: uppercase;
    }

    /* 第一层：H1 */
    .hero h1 {
      font-size: clamp(2rem, 5.5vw, 4rem);
      font-weight: 900;
      color: var(--gold-light);
      line-height: 1.25;
      letter-spacing: 0.06em;
      margin-bottom: 12px;
      max-width: 720px;
    }

    .hero-h1-sub {
      font-size: clamp(1rem, 2.5vw, 1.5rem);
      color: rgba(255,255,255,0.45);
      letter-spacing: 0.12em;
      margin-bottom: 32px;
      font-weight: 400;
    }

    .hero-desc {
      max-width: 560px;
      color: rgba(255,255,255,0.55);
      font-size: 0.95rem;
      line-height: 1.85;
      margin-bottom: 48px;
    }

    .hero-btns {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 64px;
    }

    .btn-gold {
      background: var(--gold);
      color: var(--ink);
      padding: 15px 40px;
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-decoration: none;
      border-radius: 1px;
      transition: background 0.2s, transform 0.15s;
    }
    .btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }

    .btn-ghost {
      border: 1px solid rgba(201,168,76,0.4);
      color: rgba(255,255,255,0.6);
      padding: 14px 32px;
      font-size: 0.9rem;
      letter-spacing: 0.1em;
      text-decoration: none;
      border-radius: 1px;
      transition: border-color 0.2s, color 0.2s;
    }
    .btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

    /* 数据条 */
    .hero-stats {
      display: flex;
      gap: 0;
      border: 1px solid var(--border);
    }

    .stat-item {
      padding: 20px 36px;
      text-align: center;
      border-right: 1px solid var(--border);
    }
    .stat-item:last-child { border-right: none; }

    .stat-num {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--gold-light);
      letter-spacing: 0.05em;
      display: block;
    }

    .stat-label {
      font-size: 0.72rem;
      color: rgba(255,255,255,0.35);
      letter-spacing: 0.15em;
      margin-top: 4px;
    }

    
    /* 语言切换器 */
    .lang-switcher { display: flex; align-items: center; gap: 8px; }
    .lang-btn { font-size: 0.82rem; font-weight: 600; color: #c8a84a; text-decoration: none; letter-spacing: 0.06em; padding: 3px 6px; border-radius: 2px; transition: color 0.2s, background 0.2s; }
    .lang-btn:hover { color: var(--gold-light); }
    .lang-btn.active { color: #fff; background: rgba(201,168,76,0.18); }
    .lang-sep { color: rgba(201,168,76,0.4); font-size: 0.75rem; }
    @media (max-width: 480px) { .lang-switcher { display: none; } }

    @media (max-width: 600px) {
      .hero-stats { flex-direction: column; }
      .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
      .stat-item:last-child { border-bottom: none; }
    }

    /* ─── 滚动箭头 ─── */
    .scroll-hint {
      position: absolute;
      bottom: 32px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      color: rgba(255,255,255,0.2);
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      animation: bounce 2s infinite;
    }

    @keyframes bounce {
      0%, 100% { transform: translateX(-50%) translateY(0); }
      50% { transform: translateX(-50%) translateY(6px); }
    }

    /* ─── 信任条 ─── */
    .trust-strip {
      background: var(--ink-mid);
      border-top: 1px solid var(--gold-dark);
      border-bottom: 1px solid var(--gold-dark);
      padding: 0;
      overflow: hidden;
    }

    .trust-inner {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
    }

    .trust-pill {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 16px 32px;
      border-right: 1px solid rgba(201,168,76,0.15);
      font-size: 0.8rem;
      color: rgba(255,255,255,0.5);
      letter-spacing: 0.1em;
    }
    .trust-pill:last-child { border-right: none; }

    .trust-icon {
      width: 5px;
      height: 5px;
      background: var(--gold);
      border-radius: 50%;
      flex-shrink: 0;
    }

    /* ─── 九大功效 ─── */
    .section {
      padding: 96px 6%;
    }

    .section-alt { background: var(--paper-dark); }
    .section-dark {
      background: var(--ink);
      background-image: radial-gradient(ellipse 60% 50% at 80% 30%, rgba(201,168,76,0.05) 0%, transparent 70%);
    }

    .section-header {
      text-align: center;
      margin-bottom: 60px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.7rem;
      letter-spacing: 0.25em;
      color: var(--gold);
      border: 1px solid var(--border-mid);
      padding: 4px 16px;
      margin-bottom: 20px;
    }

    /* 第二层：H2 */
    .section h2 {
      font-size: clamp(1.4rem, 3vw, 2rem);
      font-weight: 700;
      color: var(--ink);
      letter-spacing: 0.06em;
      line-height: 1.4;
    }

    .section-dark h2 { color: var(--gold-light); }

    .section-sub {
      color: var(--text-muted);
      font-size: 0.95rem;
      margin-top: 12px;
      max-width: 520px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-dark .section-sub { color: rgba(255,255,255,0.4); }

    /* 九大功效网格 */
    .benefits-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      max-width: 900px;
      margin: 0 auto;
    }

    @media (max-width: 700px) {
      .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 440px) {
      .benefits-grid { grid-template-columns: 1fr; }
    }

    .benefit-card {
      background: var(--paper);
      padding: 32px 28px;
      text-align: center;
      transition: background 0.2s;
    }
    .benefit-card:hover { background: var(--paper-dark); }

    .benefit-char {
      font-size: 2rem;
      color: var(--gold-dark);
      font-weight: 900;
      letter-spacing: 0.1em;
      margin-bottom: 10px;
      display: block;
    }

    .benefit-name {
      font-size: 1rem;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 8px;
    }

    .benefit-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* ─── 价格区 ─── */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2px;
      max-width: 820px;
      margin: 0 auto;
      background: var(--border);
      border: 1px solid var(--border);
    }

    .price-card {
      padding: 48px 40px;
      background: var(--ink-mid);
      position: relative;
    }

    .price-card.featured {
      background: linear-gradient(145deg, #1a1408, #0e0b04);
      border: 1px solid var(--gold-dark);
    }

    .price-badge {
      position: absolute;
      top: -1px; right: 32px;
      background: var(--gold);
      color: var(--ink);
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      padding: 4px 12px;
    }

    .price-tag {
      font-size: 0.72rem;
      letter-spacing: 0.2em;
      color: var(--gold-dark);
      margin-bottom: 16px;
    }

    .price-amount {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--gold-light);
      letter-spacing: 0.02em;
      line-height: 1;
      margin-bottom: 6px;
    }

    .price-period {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.35);
      margin-bottom: 28px;
    }

    .price-features {
      list-style: none;
      margin-bottom: 36px;
    }

    .price-features li {
      font-size: 0.88rem;
      color: rgba(255,255,255,0.6);
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .price-features li::before {
      content: '◆';
      font-size: 0.4rem;
      color: var(--gold);
      flex-shrink: 0;
    }

    /* ─── 全过程两天仪式 ─── */
    .ritual-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      max-width: 900px;
      margin: 0 auto;
    }

    @media (max-width: 680px) {
      .ritual-grid { grid-template-columns: 1fr; gap: 32px; }
    }

    .ritual-day {
      position: relative;
    }

    /* 第二层：H2 在这里用 h3 做天标题 */
    .ritual-day-label {
      font-size: 0.72rem;
      letter-spacing: 0.25em;
      color: var(--gold);
      margin-bottom: 20px;
    }

    .ritual-steps {
      list-style: none;
      counter-reset: ritual;
    }

    .ritual-step {
      counter-increment: ritual;
      display: flex;
      gap: 14px;
      margin-bottom: 16px;
      align-items: flex-start;
    }

    .ritual-step-num {
      font-size: 0.65rem;
      color: var(--gold-dark);
      min-width: 22px;
      padding-top: 3px;
    }
    .ritual-step-num::before { content: counter(ritual, decimal-leading-zero); }

    .ritual-step-body strong {
      display: block;
      font-size: 0.92rem;
      color: var(--gold-light);
      margin-bottom: 3px;
    }

    .ritual-step-body span {
      font-size: 0.8rem;
      color: rgba(255,255,255,0.4);
      line-height: 1.6;
    }

    /* ─── 师资介绍 ─── */
    .master-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2px;
      max-width: 900px;
      margin: 0 auto;
      background: var(--border);
      border: 1px solid var(--border);
    }

    @media (max-width: 640px) {
      .master-grid { grid-template-columns: 1fr; }
    }

    .master-card {
      background: var(--paper);
      padding: 40px 36px;
    }

    .master-gen {
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      color: var(--gold-dark);
      margin-bottom: 12px;
    }

    .master-name {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--ink);
      letter-spacing: 0.1em;
      margin-bottom: 4px;
    }

    .master-title {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .master-items {
      list-style: none;
    }

    .master-item {
      font-size: 0.85rem;
      color: var(--text-body);
      padding: 7px 0;
      border-bottom: 1px solid var(--border);
      display: flex;
      gap: 10px;
      align-items: baseline;
    }
    .master-item:last-child { border-bottom: none; }

    .master-year {
      font-size: 0.72rem;
      color: var(--gold-dark);
      min-width: 36px;
      flex-shrink: 0;
    }

    /* ─── 龙穴介绍 ─── */
    .longxue-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1px;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.08);
      max-width: 900px;
      margin: 0 auto;
    }

    .longxue-card {
      background: rgba(255,255,255,0.03);
      padding: 32px 28px;
      border-right: 1px solid rgba(255,255,255,0.06);
    }
    .longxue-card:last-child { border-right: none; }

    /* 第三层：H3 */
    .longxue-card h3 {
      font-size: 0.9rem;
      color: var(--gold);
      font-weight: 700;
      letter-spacing: 0.08em;
      margin-bottom: 12px;
      padding-bottom: 10px;
      border-bottom: 1px solid rgba(201,168,76,0.2);
    }

    .longxue-card p {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.5);
      line-height: 1.8;
    }

    /* ─── SEO 内链导航 ─── */
    .inner-links {
      max-width: 900px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
    }

    .inner-link-card {
      background: var(--paper);
      padding: 28px 28px;
      text-decoration: none;
      display: block;
      transition: background 0.2s;
      border-right: 1px solid var(--border);
    }
    .inner-link-card:last-child { border-right: none; }
    .inner-link-card:hover { background: var(--paper-dark); }

    .inner-link-label {
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      color: var(--gold-dark);
      margin-bottom: 8px;
    }

    .inner-link-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--ink);
      line-height: 1.5;
      margin-bottom: 6px;
    }

    .inner-link-arrow {
      font-size: 0.8rem;
      color: var(--gold);
    }

    /* ─── 联系区 ─── */
    .contact-section {
      background: var(--ink);
      border-top: 2px solid var(--gold-dark);
      padding: 96px 6%;
      text-align: center;
    }

    .contact-section h2 {
      font-size: clamp(1.4rem, 3vw, 2rem);
      color: var(--gold-light);
      font-weight: 700;
      letter-spacing: 0.08em;
      margin-bottom: 12px;
    }

    .contact-desc {
      color: rgba(255,255,255,0.4);
      font-size: 0.9rem;
      margin-bottom: 48px;
    }

    .contact-cards {
      display: flex;
      gap: 0;
      justify-content: center;
      flex-wrap: wrap;
      border: 1px solid var(--border-mid);
      max-width: 680px;
      margin: 0 auto 48px;
    }

    .contact-card {
      padding: 28px 40px;
      border-right: 1px solid var(--border);
      flex: 1;
      min-width: 180px;
    }
    .contact-card:last-child { border-right: none; }

    .contact-label {
      font-size: 0.65rem;
      letter-spacing: 0.25em;
      color: var(--gold-dark);
      margin-bottom: 8px;
    }

    .contact-value {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--gold-light);
      letter-spacing: 0.08em;
    }

    .contact-value-sm {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.55);
    }

    /* ─── 底部 ─── */
    .site-footer {
      background: #0e0b04;
      border-top: 1px solid var(--gold-dark);
      padding: 32px 5%;
      text-align: center;
    }
    .footer-links {
      display: flex;
      gap: 18px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 18px;
    }
    .footer-links a {
      color: #d9c07a;
      font-size: 0.95rem;
      font-weight: 600;
      text-decoration: none;
    }
    .footer-links a:hover {
      color: var(--gold-light);
      text-decoration: underline;
    }
    .footer-copy {
      font-size: 0.9rem;
      color: #a88a4a;
      line-height: 1.8;
    }

    /* ─── 悬浮联系按钮（移动端） ─── */
    .float-btn {
      display: none;
      position: fixed;
      bottom: 24px;
      right: 20px;
      background: var(--gold);
      color: var(--ink);
      padding: 14px 24px;
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-decoration: none;
      border-radius: 2px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.4);
      z-index: 300;
    }

    @media (max-width: 680px) {
      .float-btn { display: block; }
    }

    /* ─── 通用工具 ─── */
    .max-w { max-width: 900px; margin: 0 auto; }
    .divider {
      width: 48px;
      height: 1px;
      background: var(--gold);
      margin: 20px auto 0;
    }